/*
 * Copyright 2018 StreamSets Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.streamsets.pipeline.api;

/**
 * Field processor is a special kind of processor. Rather then iterating over records, it iterates
 * directly over fields, allowing simple operations such as deletion of field or replacement.
 */
public interface FieldProcessor {

  /**
   * Process given field batch.
   *
   * @param batch Field batch that the processor should iterate on.
   */
  public void process(FieldBatch batch) throws StageException;
}
